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High current rating power inductor COILMX MSM252012-R33M designed for low profile electronic devices

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High current rating power inductor COILMX MSM252012-R33M designed for low profile electronic devices

Current - Saturation (Isat) : 7.8A

Description : 7.8A SMD,2.5x2mm Fixed Inductors RoHS

Mfr. Part # : MSM252012-R33M

Model Number : MSM252012-R33M

Package : SMD,2.5x2mm

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Product Overview

The Unibody Inductor, MSM252012 series, is a high-performance, low-profile power inductor designed for demanding applications. Featuring a metal dust core for high saturation current and ultra-high current rating, this RoHS-compliant component operates up to 1MHz. It is ideal for low-profile, high-current power supplies, battery-powered devices, DC/DC converters in distributed power systems, and DC/DC converters for field-programmable gate arrays.

Product Attributes

  • Brand: Coilmx (implied by website and email)
  • Origin: China
  • Compliance: ROHS compliant
  • Core Material: Metal dust core

Technical Specifications

Product Dimensions (Unit: mm)

Parameter Dimension Tolerance
A 2.5 0.2
B 2.0 0.2
C 1.2 Max
D 0.85 0.2
E 0.8 0.2

Electrical Requirements

Part Number Inductance L (uH) 20%, 1MHz, 1V DCR (m) TYP. DCR (m) MAX. Isat (A) MAX. Irms (A) MAX.
MSM252012-R10M 0.10 6 10 12.50 10.50
MSM252012-R15M 0.15 7 11 12.00 10.00
MSM252012-R22M 0.22 9 14 9.00 7.60
MSM252012-R24M 0.24 10 15 8.80 7.50
MSM252012-R33M 0.33 11 17 7.80 6.40
MSM252012-R47M 0.47 13 19 7.00 6.00
MSM252012-R68M 0.68 17 23 6.00 5.50
MSM252012-R82M 0.82 19 24 5.80 5.30
MSM252012-1R0M 1.00 35 42 5.00 3.60
MSM252012-1R2M 1.20 40 45 4.10 3.40
MSM252012-1R5M 1.50 44 50 4.10 3.20
MSM252012-2R2M 2.20 55 65 3.30 2.70
MSM252012-3R3M 3.30 80 97 2.70 1.80
MSM252012-4R7M 4.70 150 170 2.10 1.50
MSM252012-6R8M 6.80 245 270 1.70 1.40
MSM252012-100M 10.00 330 400 1.45 1.05
MSM252012-220M 22.00 740 800 1.00 1.10

Characteristics

  • All test data is based on 25 ambient.
  • DC current (A) that will cause an approximate T of 40.
  • DC current (A) that will cause L0 to drop approximately 30% Typ.
  • Operating temperature range: -55 to +125.
  • The part temperature (ambient + temp rise) should not exceed 125 under worst-case operating conditions. Circuit design, component, PWB trace size and thickness, airflow, and other cooling provisions all affect the part temperature. Part temperature should be verified in the application.

Special Request

  • No Marking on top of the body.

Product Identification

Format: XXX XXXXXX - XXX X X

  • : Product Symbol
  • : Dimensions
  • : Inductance
  • : Tolerance (M: 20%, N: 30%)
  • : Material

Applications

  • Low profile, high current power supplies.
  • Battery powered devices.
  • DC/DC converters in distributed power systems.
  • DC/DC converters for field programmable gate array.

Features

  • ROHS compliant.
  • Super low resistance, ultra high current rating.
  • High performance (Isat) realized by metal dust core.
  • Frequency Range: up to 1MHz.

Reliability

Item Specification and Requirement Test Method
Solderability Test Terminals area must have 95% min solder coverage Solder heat proof: (1) Preheating: 16010 for 90 seconds (2) Retention time: 2455 for 20.5 seconds
Vibration Test Inductance change: Within 5% without mechanical damage such as break (1) Vibration frequency: (10Hz to 55Hz to 10Hz) in 60 seconds as a period (2) Vibration time: Period cycled for 2 hours in each of 3 mutual perpendicular directions (3) Amplitude: 1.5 mm Max
Shock Test Inductance change: Within 5% without mechanical damage such as break (1) Peak value: 100G (2) Duration of pulse: 11ms (3) Times in each positive and negative direction of 3 mutual perpendicular directions
Thermal Shock Inductance change: Within 5% without mechanical damage such as break (1) Repeat 100 cycles: (-552, 303 minutes) -> Room temperature, 5 minutes -> (+1252, 303 minutes) -> Room temperature, 5 minutes (2) Recovery: 48+4/-0 hours of recovery under the standard condition after the test.
High Temperature Life Test Inductance change: Within 5% without mechanical damage such as break (1) Environment condition: 852 (2) Applied current: Rated current (3) Duration: 1000+4/-0 hours
Humidity Resistance Inductance change: Within 5% without mechanical damage such as break (1) Environment condition: 602, Humidity: 90~95% (2) Applied current: Rated current (3) Duration: 1000+4/-0 hours
Low Temperature Life Test Inductance change: Within 5% without mechanical damage such as break (1) Store temperature: -552 for total 1000+4/-0 hours
High Temperature Life Test Inductance change: Within 5% without mechanical damage such as break (1) Store temperature: +1252 for total 1000+4/-0 hours

Packaging

Tape Packaging Dimensions

W A0 B0 K0 P F E D0 P0 T
8.0 0.30 2.45 0.10 2.80 0.10 1.35 0.05 4.0 0.10 3.5 0.1 1.75 0.10 1.50 0.10 4.0 0.10 0.25 0.05

Reel Dimensions

Item Dimension (mm)
A 180.0 2.0
B 60.0 1.0
C 13.0 1.0
D 2.0 0.2
W 14.4 Max
W1 8.4 1.0

Carton Dimensions

Item Quantity (PCS)
1 Reel 3000
1 Inner Box 30000
1 Outer Box 120000

Reflow Profile

1. Reflow Soldering Method

2. Soldering iron method: 3505 Max. 3 seconds.


2507171700_COILMX-MSM252012-R33M_C49328930.pdf


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